Home / 1,375,744.89-1,898,527.92-772,132.89

Finding the Fourth Proportional to 1,375,744.89, 1,898,527.92 and 772,132.89

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Solution

The fourth proportional to 1,375,744.89, 1,898,527.92 and 772,132.89 is: 1,065,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,744.89 : 1,898,527.92 = 772,132.89 : x
  2. Step 2: Convert to fraction form
    1,375,744.89/1,898,527.92 = 772,132.89/x
  3. Step 3: Cross multiply
    1,375,744.89x = 1,898,527.92 × 772,132.89
  4. Step 4: Simplify right side
    1,375,744.89x = 1,465,915,849,615.29
  5. Step 5: Solve for x
    x = 1,465,915,849,615.29/1,375,744.89
  6. Step 6: Final answer
    x = 1,065,543.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.